/Engine/Plugins/Developer/Concert/ConcertMain/Source/ConcertServer/Public/IConcertServer.h
Create a new Concert server session based on the passed session info
the created server session
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IConcertServerSession](API\Plugins\Concert\IConcertServerSession) > CreateSession ( const [FConcertSessionInfo](API\Plugins\Concert\FConcertSessionInfo) & SessionInfo, [FText](API\Runtime\Core\Internationalization\FText) & OutFailureReason )